2019
No fear of bankruptcy: the innate self-subsidizing forces in recreational fishing
Alf Ring Kleiven, Even Moland, Ussif Rashid Sumaila
ICES Journal of Marine Science
2019
Field surveying of marine recreational fisheries in Norway using a novel spatial sampling frame reveals striking under-coverage of alternative sampling frames
Jon Helge Vølstad, Mary C. Christman, Keno Ferter, Alf Ring Kleiven, Håkon Magne Otterå, Øystein Aas, Robert Arlinghaus, Trude Borch, Jonathan Edward Colman, Bruce Hartill, Thrond Oddvar Haugen, Kieran Hyder, Jeremy Lyle, Martin Junker Ohldieck, Christian Skov, Harry Vincent Strehlow, Dave van Voorhees, Marc Simon Weltersbach, Edward D. Weber
ICES Journal of Marine Science
77
p. 2192-2205
2019
Biometric fish classification of temperate species using convolutional neural network with squeeze-and-excitation
Erlend Olsvik, Christian M.D. Trinh, Kristian Muri Knausgård, Arne Wiklund, Tonje Knutsen Sørdalen, Alf Ring Kleiven, Jiao Lei, Morten Goodwin
Lecture Notes in Computer Science (LNCS)
11606 LNAI
p. 89-101
2019
Fishing pressure impacts the abundance gradient of European lobsters across the borders of a newly established marine protected area
Portia Joy Nillos Kleiven, Sigurd Heiberg Espeland, Esben Moland Olsen, Rene A. Abesamis, Even Moland, Alf Ring Kleiven
Proceedings of the Royal Society of London. Biological Sciences
286
2018
Who is fishing on what stock: Population-of-origin of individual cod (Gadus morhua) in commercial and recreational fisheries
Per Erik Jorde, Alf Ring Kleiven, Marte Sodeland, Esben Moland Olsen, Keno Ferter, Sissel Jentoft, Halvor Knutsen
ICES Journal of Marine Science
75
p. 2153-2162
2018
Recreational sea fishing in Europe in a global context—Participation rates, fishing effort, expenditure, and implications for monitoring and assessment
Hyder Kieran, Marc Simon Weltersbach, Mark Armstrong, Keno Ferter, Bryony Townhill, Anssi Ahvonen, Robert Arlinghaus, Andrei Baikov, Manuel Bellanger, Janis Birzaks, Trude Kristin Borch, Giulia Cambie, Martin de Graaf, Hugo M C Diogo, Lukasz Dziemian, Ana Gordoa, Ryszard Grzebielec, Bruce Hartill, Anders Kagervall, Kostas Kapiris, Martin Karlsson, Alf Ring Kleiven, Adam M Lejk, Harold Levrel, Sabrina Lovell, Jeremy Lyle, Pentti Miolanen, Graham Monkman, Beatriz Morales-Nin, Estanis Mugerza, Roi Martinez, Paul F O'Reilly, Hans Jakob Olesen, Anastasios Papadopoulos, Pablo Pita, Zachary Radford, Krzysztof Radtke, William Roche, Delphine Rocklin, Jon Ruiz, Callum Scougal, Roberto Silvestri, Christian Skov, Scott Steinback, Andreas Sundeløf, Arvydas Svagzdys, David Turnbull, Tessa van der Hammen, David van Voorhees, Frankwin van Winsen, Thomas J Verleye, Pedro Veiga, Jon Helge Vølstad, Lucia Zarauz, Tomas Zolubas, Harry Vincent Strehlow
Fish and Fisheries
19
p. 225-243
2016
Harvest pressure on coastal atlantic cod (Gadus morhua) from recreational fishing relative to commercial fishing assessed from tag-recovery data
Alf Ring Kleiven, Albert Fernandez Chacon, Jan-Harald Nordahl, Even Moland, Sigurd Heiberg Espeland, Halvor Knutsen, Esben Moland Olsen
PLOS ONE
11
2016
Causes of mortality in depleted populations of Atlantic cod estimated from multi-event modelling of mark-recapture and recovery data
Albert Fernandez Chacon, Even Moland, Sigurd Heiberg Espeland, Alf Ring Kleiven, Esben Moland Olsen
Canadian Journal of Fisheries and Aquatic Sciences
74
p. 116-126
2014
Governance challenges in scaling up from individual MPAs to MPA networks
Jean-Luc Solandt, Peter Jones, Dominique Duval-Diop, Alf Ring Kleiven, Katia Frangoudes
Aquatic conservation
24
p. 145-152
2014
Governance challenges in scaling up from individual MPAs to MPA networks
Jean-Luc Solandt, Peter Jones, Dominique Duval-Diop, Alf Ring Kleiven, Katia Frangoudes
Aquatic conservation
24
p. 145-152
2014
Catch-and-release of Atlantic cod (Gadus morhua): post-release behaviour of acoustically pretagged fish in a natural marine environment
Keno Ferter, Hartmann Klaas, Alf Ring Kleiven, Even Moland, Esben Moland Olsen
Canadian Journal of Fisheries and Aquatic Sciences
72
p. 252-261
2013
Communication between scientists, fishery managers and recreational fishers: lessons learned from a comparative analysis of international case studies
Michel Dedual, Oscar Sague Pla, Robert Arlinghaus, Adrian Clarke, Keno Ferter, Peter Geertz Hansen, Daniel Gerdeaux, Fern Hames, Steve Kenelly, Alf Ring Kleiven, Andreas Meraner, Bernd Ueberschaer
Fisheries Management and Ecology
20
p. 234-246
2013
Lobster and cod benefit from small-scale northern marine protected areas: inference from an empirical before - after control-impact study
Even Moland, Esben Moland Olsen, Halvor Knutsen, Pauline Garrigou, Sigurd Heiberg Espeland, Alf Ring Kleiven, Carl Andre, Jan Atle Knutsen
Proceedings of the Royal Society of London. Biological Sciences
280
2012
The role of MPAs in reconciling fisheries management with conservation of biological diversity
Jake C. Rice, Erlend Moksness, Colin G. Attwood, Stephen K Brown, Geir Dahle, Kristina M. Gjerde, Ellen Sofie Grefsrud, Richard Kenchington, Alf Ring Kleiven, Patrick McConney, Magnus A K Ngoile, Tor Næsje, Erik Joel Steinar Olsen, Esben Moland Olsen, Jessica Sanders, Chandrika Sharma, Ole Vestergaard, Lena Westlund
Ocean and Coastal Management
69
p. 217-230
2012
Total Catch of a Red-Listed Marine Species Is an Order of Magnitude Higher than Official Data
Alf Ring Kleiven, Esben Moland Olsen, Jon Helge Vølstad
PLOS ONE
7
2011
Estimating Recreational and Commercial Fishing Effort for European Lobster Homarus gammarus by Strip Transect Sampling
Alf Ring Kleiven, Esben Moland Olsen, Jon Helge Vølstad
Marine and Coastal Fisheries
3
p. 383-393
2011
Place-based management at different spatial scales
Erik Joel Steinar Olsen, Alf Ring Kleiven, Hein Rune Skjoldal, Cecilie von Quillfeldt
Journal of Coastal Conservation
15
p. 257-269
2019
The increasing recreational trap fishery for Norway lobster (Nephrops norvegicus) along the southwestern coast of Norway – insights from a baseline study
Fabian Zimmermann, Alf Ring Kleiven, Guldborg Søvik
2018
Marine Recreational Fishery in Norway: A framework for science-based management of recreational fisheries in Norway
Jon Helge Vølstad, Keno Ferter, Alf Ring Kleiven
2016
Developing a sampling scheme to evaluate Norwegian marine recreational fisheries - A case study from the Oslofjord
Keno Ferter, Alf Ring Kleiven, Jonathan Edward Colman, Thrond Oddvar Haugen, Stian Stensland, Harry Vincent Strehlow, Marc Simon Weltersbach, Jon Helge Vølstad
2014
Catch-and-release of Atlantic cod (Gadus morhua): post-release behaviour of acoustically pre-tagged fish in a natural marine environment
Keno Ferter, Klaas Hartmann, Alf Ring Kleiven, Even Moland, Esben Moland Olsen
2014
Den lange og kronglete historien om hummer i Norge
Gro Ingleid van der Meeren, Alf Ring Kleiven, Ann-Lisbeth Agnalt, Ellen Sofie Grefsrud, Even Moland, Espen Moland Olsen
2014
Den lange og kronglete historien om hummer i Norge
Gro Ingleid van der Meeren, Alf Ring Kleiven, Ann-Lisbeth Agnalt, Ellen Sofie Grefsrud, Even Moland, Espen Moland Olsen
2014
The Long and Winding story of the Lobster Homarus gammarus in Norway
Gro Ingleid van der Meeren, Alf Ring Kleiven, Ann-Lisbeth Agnalt, Ellen Sofie Grefsrud
2013
Long-term trauma? Studying the effects of catch-and-release on Atlantic cod behavior using acoustic telemetr
Keno Ferter, Alf Ring Kleiven, Klaas Hartmann, Even Moland, Esben Moland Olsen
2012
Lobster reserves in coastal Skagerrak: a field laboratory for science and management
Moland Even, Esben Moland Olsen, Halvor Knutsen, Alf Ring Kleiven, Carl Andre, Jan Atle Knutsen
2021
Fritidsfiskevaner i saltvann blant bosatte i Norge. En oversikt over fiskeatferd, motiver og holdninger til fangstreguleringer
Sofie Kjendlie Selvaag, Øystein Aas, Trude Kristin Borch, Alf Ring Kleiven, Stian Stensland
2021
Aktiv forvaltning av marine ressurser - Frøya og Hitra - Sluttrapport
Alf Ring Kleiven, Sigurd Heiberg Espeland, Guldborg Søvik, Jon Albretsen, Portia Joy Nillos Kleiven, Fabian Zimmermann, Ellen Sofie Grefsrud, Kim Aleksander Tallaksen Halvorsen, Ola Vie
2021
Marint vern - Havforskningsinstituttets ekspertvurdering av utfordringer og status for arbeid med marint vern i Norge
Lis Lindal Jørgensen, Even Moland, Vivian Husa, Tina Kutti, Alf Ring Kleiven, Gro Ingleid van der Meeren
2021
Tiltak mot spøkelsesfiske i Raet nasjonalpark - Arbeidsrapport
Alf Ring Kleiven, Susanna Huneide Thorbjørnsen, Tord Aslaksen
2019
Comparing Baited Remote Underwater Video Systems with Fish Traps Along the Coast of Frøya and Hitra
Marit Bull, Alf Ring Kleiven, Jussi Evertsen, Torkild Bakken
2019
Hummerfisket 2017 og 2018: Innsats og fangst
Alf Ring Kleiven, Jeremy Lyle, Keno Ferter, Sigurd Heiberg Espeland, Portia Joy Nillos Kleiven, Lene Christensen, Jon Helge Vølstad
2019
Aktiv forvaltning av marine ressurser – lokalt tilpasset forvaltning: LINDESNES - Effekter på hummer i Klippeskjær bevaringsområde
Sigurd Heiberg Espeland, Alf Ring Kleiven, Hanne Sannæs, Portia Joy Nillos Kleiven
2019
Aktiv forvaltning av marine ressurser - Frøya og Hitra - Arbeidsrapport 2017-2018
Alf Ring Kleiven, Sigurd Heiberg Espeland, Jon Albretsen, Kim Aleksander Tallaksen Halvorsen, Guldborg Søvik, Ellen Sofie Grefsrud, Dag Ottesen
2017
Individual reports from the Helsinki, Arendal and Jønkøping workshops
Alf Ring Kleiven, Melin Daniel, Valta Otso
2017
Evaluering av effekten av forvaltningstiltak på hummer og forslag til tiltak
Alf Ring Kleiven, Even Moland, Tonje Knutsen Sørdalen, Sigurd Heiberg Espeland, Gro Ingleid van der Meeren
2016
Oppdatert kunnskapsstatus om kystnær torsk i Sør Norge
Asgeir Aglen, Kjell Harald Nedreaas, Even Moland, Halvor Knutsen, Alf Ring Kleiven, Tore Johannessen, Henning Wehde, Terje Jørgensen, Sigurd Heiberg Espeland, Esben Moland Olsen, Jan Atle Knutsen
2015
Marine naturforhold og naturverdier i Færder nasjonalpark
Einar Dahl, Jan Atle Knutsen, Jon Albretsen, Mats Brockstedt Olsen Huserbråten, Sigurd Espeland Heiberg, Halvor Knutsen, Anders Jelmert, Alf Ring Kleiven, Even Moland, Frithjof Emil Moy, Lars Johan Naustvoll, Espen Moland Olsen, Susanna Huneide Thorbjørnsen
2010
The Management of Lobster in Coastal Skagerrak: Recreational Fisheries, Unreported Commercial Catches and Marine Protected Areas
Kleiven, Alf Ring